Before reviewing the signs and symptoms of some common STDs, it's important to remember that the only person who can diagnose you with an STD is a health care professional. If you think you may have an STD, it is important to go see a doctor. That's true whether you currently have STD symptoms or not.
Encoder receiver transmitter. Encoder receiver transmitter (ERT) is a packet radio protocol developed by Itron for automatic meter reading. The technology is used to transmit data from utility meters over a short range so a utility vehicle can collect meter data without a worker physically inspecting each meter.
Electroretinography (ERG)- Diagnosing Problems of the Retina. Electroretinography or ERG is a type of eye test used to determine if the retina is functioning properly. During this test the various cells in the retina (rods and cones) are examined. Specifically they are tested to determine their ability to react to light.